There are tax and business reasons for doing that. Things that make sense for large-scale operations don't necessarily make sense for us smaller folks. I'm sure their agreement with Deere includes getting them back up and running immediately if something goes down. Same reason big dirt...
If one has the time and money, more maintenance is better than less. I love to wash my equipment but by the end of the work day, I’m out of time and energy to do so. Too much work and not enough time.
Yesterday, I hopped on the Branson for the first time in a couple of months. Jumped her with my portable starter and she fired right up but the fuel gauge and tach aren't working. The panel lights all work fine and the temp gauge is working.
This morning, I pulled the panel fuse which kills...
Personally, I would get a cheap(ish) track saw for breaking down sheets and a Saw Stop table saw for everything else if at all possible.
If not, keep the guards on your table saw!
Sorry for your loss. We lost Henry last September and it was incredibly difficult for us. As @Darth_DMack said, we don't deserve our dogs but they love us anyway and we love them for it.